/*
* The PCI Library -- PCI Header Structure (based on <linux/pci.h>)
*
- * Copyright (c) 1997--2007 Martin Mares <mj@ucw.cz>
+ * Copyright (c) 1997--2010 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#define PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN 0x800 /* PCI-X? */
/* Header type 2 (CardBus bridges) */
-/* 0x14-0x15 reserved */
+#define PCI_CB_CAPABILITY_LIST 0x14
+/* 0x15 reserved */
#define PCI_CB_SEC_STATUS 0x16 /* Secondary status */
#define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */
#define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */
#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
-#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */
+#define PCI_CAP_ID_MSI 0x05 /* Message Signaled Interrupts */
#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
#define PCI_CAP_ID_HT 0x08 /* HyperTransport */
#define PCI_EXT_CAP_ID_RCILINK 0x06 /* Root Complex Internal Link Declaration */
#define PCI_EXT_CAP_ID_RCECOLL 0x07 /* Root Complex Event Collector */
#define PCI_EXT_CAP_ID_MFVC 0x08 /* Multi-Function Virtual Channel */
+#define PCI_EXT_CAP_ID_VC2 0x09 /* Virtual Channel (2nd ID) */
#define PCI_EXT_CAP_ID_RBCB 0x0a /* Root Bridge Control Block */
#define PCI_EXT_CAP_ID_VNDR 0x0b /* Vendor specific */
#define PCI_EXT_CAP_ID_ACS 0x0d /* Access Controls */
+#define PCI_EXT_CAP_ID_ARI 0x0e /* Alternative Routing-ID Interpretation */
+#define PCI_EXT_CAP_ID_ATS 0x0f /* Address Translation Service */
+#define PCI_EXT_CAP_ID_SRIOV 0x10 /* Single Root I/O Virtualization */
+#define PCI_EXT_CAP_ID_TPH 0x17 /* Transaction processing hints */
+#define PCI_EXT_CAP_ID_LTR 0x18 /* Latency Tolerance Reporting */
+#define PCI_EXT_CAP_ID_L1PM 0x1e /* L1 PM Substates */
+
+/*** Definitions of capabilities ***/
/* Power Management Registers */
#define PCI_PM_CAP_PME_D3_COLD 0x8000 /* PME can be asserted from D3cold */
#define PCI_PM_CTRL 4 /* PM control and status register */
#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
+#define PCI_PM_CTRL_NO_SOFT_RST 0x0008 /* No Soft Reset from D3hot to D0 */
#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* PM table data index */
#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* PM table data scaling factor */
#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate (4x in AGP3 mode) */
#define PCI_AGP_SIZEOF 12
+/* Vital Product Data */
+
+#define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */
+#define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */
+#define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates completion */
+#define PCI_VPD_DATA 4 /* 32-bits of data returned here */
+
/* Slot Identification */
#define PCI_SID_ESR 2 /* Expansion Slot Register */
#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
-/* Message Signalled Interrupts registers */
+/* Message Signaled Interrupts registers */
#define PCI_MSI_FLAGS 2 /* Various flags */
#define PCI_MSI_FLAGS_MASK_BIT 0x100 /* interrupt masking & reporting supported */
#define PCI_HT_RM_CNT1 10 /* Retry Count 1 Register */
#define PCI_HT_RM_SIZEOF 12
+/* Vendor-Specific Capability (see PCI_EVNDR_xxx for the PCIe version) */
+#define PCI_VNDR_LENGTH 2 /* Length byte */
+
/* PCI Express */
#define PCI_EXP_FLAGS 0x2 /* Capabilities register */
#define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
#define PCI_EXP_RTSTA_PME_STATUS 0x00010000 /* PME Status */
#define PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */
#define PCI_EXP_DEVCAP2 0x24 /* Device capabilities 2 */
+#define PCI_EXP_DEVCAP2_LTR 0x0800 /* LTR supported */
+#define PCI_EXP_DEVCAP2_OBFF(x) (((x) >> 18) & 3) /* OBFF supported */
#define PCI_EXP_DEVCTL2 0x28 /* Device Control */
#define PCI_EXP_DEV2_TIMEOUT_RANGE(x) ((x) & 0xf) /* Completion Timeout Ranges Supported */
#define PCI_EXP_DEV2_TIMEOUT_VALUE(x) ((x) & 0xf) /* Completion Timeout Value */
#define PCI_EXP_DEV2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable Supported */
#define PCI_EXP_DEV2_ARI 0x0020 /* ARI Forwarding */
+#define PCI_EXP_DEV2_LTR 0x0400 /* LTR enabled */
+#define PCI_EXP_DEV2_OBFF(x) (((x) >> 13) & 3) /* OBFF enabled */
#define PCI_EXP_DEVSTA2 0x2a /* Device Status */
#define PCI_EXP_LNKCAP2 0x2c /* Link Capabilities */
#define PCI_EXP_LNKCTL2 0x30 /* Link Control */
#define PCI_EXP_LNKCTL2_MARGIN(x) (((x) >> 7) & 7) /* Transmit Margin */
#define PCI_EXP_LNKCTL2_MOD_CMPLNC 0x0400 /* Enter Modified Compliance */
#define PCI_EXP_LNKCTL2_CMPLNC_SOS 0x0800 /* Compliance SOS */
-#define PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 1) /* Compliance De-emphasis */
+#define PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 0xf) /* Compliance De-emphasis */
#define PCI_EXP_LNKSTA2 0x32 /* Link Status */
#define PCI_EXP_LINKSTA2_DEEMPHASIS(x) ((x) & 1) /* Current De-emphasis Level */
+#define PCI_EXP_LINKSTA2_EQU_COMP 0x02 /* Equalization Complete */
+#define PCI_EXP_LINKSTA2_EQU_PHASE1 0x04 /* Equalization Phase 1 Successful */
+#define PCI_EXP_LINKSTA2_EQU_PHASE2 0x08 /* Equalization Phase 2 Successful */
+#define PCI_EXP_LINKSTA2_EQU_PHASE3 0x10 /* Equalization Phase 3 Successful */
+#define PCI_EXP_LINKSTA2_EQU_REQ 0x20 /* Link Equalization Request */
#define PCI_EXP_SLTCAP2 0x34 /* Slot Capabilities */
#define PCI_EXP_SLTCTL2 0x38 /* Slot Control */
#define PCI_EXP_SLTSTA2 0x3a /* Slot Status */
/* MSI-X */
#define PCI_MSIX_ENABLE 0x8000
#define PCI_MSIX_MASK 0x4000
-#define PCI_MSIX_TABSIZE 0x03ff
+#define PCI_MSIX_TABSIZE 0x07ff
#define PCI_MSIX_TABLE 4
#define PCI_MSIX_PBA 8
#define PCI_MSIX_BIR 0x7
#define PCI_SSVID_VENDOR 4
#define PCI_SSVID_DEVICE 6
+/* PCI Advanced Features */
+#define PCI_AF_CAP 3
+#define PCI_AF_CAP_TP 0x01
+#define PCI_AF_CAP_FLR 0x02
+#define PCI_AF_CTRL 4
+#define PCI_AF_CTRL_FLR 0x01
+#define PCI_AF_STATUS 5
+#define PCI_AF_STATUS_TP 0x01
+
+/* SATA Host Bus Adapter */
+#define PCI_SATA_HBA_BARS 4
+#define PCI_SATA_HBA_REG0 8
+
+/*** Definitions of extended capabilities ***/
+
/* Advanced Error Reporting */
#define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */
#define PCI_ERR_UNC_TRAIN 0x00000001 /* Undefined in PCIe rev1.1 & 2.0 spec */
#define PCI_PWR_CAP 12 /* Capability */
#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
+/* Root Complex Link */
+#define PCI_RCLINK_ESD 4 /* Element Self Description */
+#define PCI_RCLINK_LINK1 16 /* First Link Entry */
+#define PCI_RCLINK_LINK_DESC 0 /* Link Entry: Description */
+#define PCI_RCLINK_LINK_ADDR 8 /* Link Entry: Address (64-bit) */
+#define PCI_RCLINK_LINK_SIZE 16 /* Link Entry: sizeof */
+
+/* PCIe Vendor-Specific Capability */
+#define PCI_EVNDR_HEADER 4 /* Vendor-Specific Header */
+#define PCI_EVNDR_REGISTERS 8 /* Vendor-Specific Registers */
+
/* Access Control Services */
#define PCI_ACS_CAP 0x04 /* ACS Capability Register */
#define PCI_ACS_CAP_VALID 0x0001 /* ACS Source Validation */
#define PCI_ACS_CTRL_TRANS 0x0040 /* ACS Direct Translated P2P Enable */
#define PCI_ACS_EGRESS_CTRL 0x08 /* Egress Control Vector */
+/* Alternative Routing-ID Interpretation */
+#define PCI_ARI_CAP 0x04 /* ARI Capability Register */
+#define PCI_ARI_CAP_MFVC 0x0001 /* MFVC Function Groups Capability */
+#define PCI_ARI_CAP_ACS 0x0002 /* ACS Function Groups Capability */
+#define PCI_ARI_CAP_NFN(x) (((x) >> 8) & 0xff) /* Next Function Number */
+#define PCI_ARI_CTRL 0x06 /* ARI Control Register */
+#define PCI_ARI_CTRL_MFVC 0x0001 /* MFVC Function Groups Enable */
+#define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */
+#define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */
+
+/* Address Translation Service */
+#define PCI_ATS_CAP 0x04 /* ATS Capability Register */
+#define PCI_ATS_CAP_IQD(x) ((x) & 0x1f) /* Invalidate Queue Depth */
+#define PCI_ATS_CTRL 0x06 /* ATS Control Register */
+#define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */
+#define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */
+
+/* Single Root I/O Virtualization */
+#define PCI_IOV_CAP 0x04 /* SR-IOV Capability Register */
+#define PCI_IOV_CAP_VFM 0x00000001 /* VF Migration Capable */
+#define PCI_IOV_CAP_IMN(x) ((x) >> 21) /* VF Migration Interrupt Message Number */
+#define PCI_IOV_CTRL 0x08 /* SR-IOV Control Register */
+#define PCI_IOV_CTRL_VFE 0x0001 /* VF Enable */
+#define PCI_IOV_CTRL_VFME 0x0002 /* VF Migration Enable */
+#define PCI_IOV_CTRL_VFMIE 0x0004 /* VF Migration Interrupt Enable */
+#define PCI_IOV_CTRL_MSE 0x0008 /* VF MSE */
+#define PCI_IOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */
+#define PCI_IOV_STATUS 0x0a /* SR-IOV Status Register */
+#define PCI_IOV_STATUS_MS 0x0001 /* VF Migration Status */
+#define PCI_IOV_INITIALVF 0x0c /* Number of VFs that are initially associated */
+#define PCI_IOV_TOTALVF 0x0e /* Maximum number of VFs that could be associated */
+#define PCI_IOV_NUMVF 0x10 /* Number of VFs that are available */
+#define PCI_IOV_FDL 0x12 /* Function Dependency Link */
+#define PCI_IOV_OFFSET 0x14 /* First VF Offset */
+#define PCI_IOV_STRIDE 0x16 /* Routing ID offset from one VF to the next one */
+#define PCI_IOV_DID 0x1a /* VF Device ID */
+#define PCI_IOV_SUPPS 0x1c /* Supported Page Sizes */
+#define PCI_IOV_SYSPS 0x20 /* System Page Size */
+#define PCI_IOV_BAR_BASE 0x24 /* VF BAR0, VF BAR1, ... VF BAR5 */
+#define PCI_IOV_NUM_BAR 6 /* Number of VF BARs */
+#define PCI_IOV_MSAO 0x3c /* VF Migration State Array Offset */
+#define PCI_IOV_MSA_BIR(x) ((x) & 7) /* VF Migration State BIR */
+#define PCI_IOV_MSA_OFFSET(x) ((x) & 0xfffffff8) /* VF Migration State Offset */
+
+/* Transaction Processing Hints */
+#define PCI_TPH_CAPABILITIES 4
+#define PCI_TPH_INTVEC_SUP (1<<1) /* Supports interrupt vector mode */
+#define PCI_TPH_DEV_SUP (1<<2) /* Device specific mode supported */
+#define PCI_TPH_EXT_REQ_SUP (1<<8) /* Supports extended requests */
+#define PCI_TPH_ST_LOC_MASK (3<<9) /* Steering table location bits */
+#define PCI_TPH_ST_NONE (0<<9) /* No steering table */
+#define PCI_TPH_ST_CAP (1<<9) /* Steering table in TPH cap */
+#define PCI_TPH_ST_MSIX (2<<9) /* Steering table in MSI-X table */
+#define PCI_TPH_ST_SIZE_SHIFT (16) /* Encoded as size - 1 */
+
+/* Latency Tolerance Reporting */
+#define PCI_LTR_MAX_SNOOP 4 /* 16 bit value */
+#define PCI_LTR_VALUE_MASK (0x3ff)
+#define PCI_LTR_SCALE_SHIFT (10)
+#define PCI_LTR_SCALE_MASK (7)
+#define PCI_LTR_MAX_NOSNOOP 6 /* 16 bit value */
+
/*
* The PCI interface treats multi-function devices as independent
* devices. The slot/function address of each device is encoded
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